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radtools.FCC#

radtools.FCC(a: float, return_cell=False)[source]#

Construct face-centred cubic primitive lattice.

See Face-centred cubic (FCC) for the definition of primitive and conventional cells.

Parameters:

afloat: Length of the all three lattice vectors of the conventional cell.
return_cellbool, default False: Whether to return the cell instead of the Lattice object.

Returns:

latticeLattice or (3, 3) numpy.ndarray: Face-centred cubic lattice or cell.